The military-grade, porro prism Commander Series is the marine binocular choice for anyone who makes their living on the water – fishing guides, ship captains, tug boat operators, marine patrol and law enforcement. These binoculars are also for those who live aboard or spend weeks on the water - yacht owners, blue water sailors and racers - who need the best in marine optics. The Commander Series has every feature and all the performance serious watermen demand, backed by Steiner’s unrivaled reputation for total performance on land and sea.